The scene before them had already surpassed people's understanding. That layer of purple exoskeleton gave the Tailed Beast an added ferocity. Simply standing there made hearts tremble; its terrifying presence left people only daring to stop and watch, not draw their weapons and charge forward.
Uchiha Yuu was adapting to this body. With the two combined, their strength was undoubtedly greater than the sum of their parts. Whether it was the invading radiation energy or the high-temperature lava brought by the Tailed Beast itself, both could inflict secondary damage.
It also had significant drawbacks. This move of his was copied from Susanoo combined with the Nine-Tails. Though it was only an imitation, it contained a hint of the real thing. Uchiha Yuu was trying to draw upon the power within the other's body. The Four-Tails' body was like a core of magma. Fortunately, Roshi trusted Uchiha Yuu and lent him his power.
That allowed Uchiha Yuu to reduce most of the burden. With just a lift of his hand, a purple longsword extended from his palm.
Roshi, who was positioned at the core, was actually overwhelmed with shock. This was his first time fighting an enemy in such a way. He had thought the strongest state of a Tailed Beast was being able to maintain Complete Tailed Beast Transformation, but the power now displayed had long surpassed Roshi's expectations.
"It really has shown me a completely different door. This terrifying method, this unconstrained way of thinking... even the Tsuchikage probably never imagined that the power of a Tailed Beast could be developed like this."
After calming himself, Roshi began to suppress the violent energy leaking from his body. His only role now was to restrain the darkness in his heart. As for how the power would be used, he had